423278713 has 32 divisors (see below), whose sum is σ = 535772160. Its totient is φ = 328587840.

The previous prime is 423278707. The next prime is 423278759. The reversal of 423278713 is 317872324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423278713 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (423278813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115020 + ... + 118642.

It is an arithmetic number, because the mean of its divisors is an integer number (16742880).

Almost surely, 2^423278713 is an apocalyptic number.

423278713 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

423278713 is a deficient number, since it is larger than the sum of its proper divisors (112493447).

423278713 is a wasteful number, since it uses less digits than its factorization.

423278713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709.

The product of its digits is 56448, while the sum is 37.

The square root of 423278713 is about 20573.7384303388. The cubic root of 423278713 is about 750.8309090395.

It can be divided in two parts, 42327 and 8713, that added together give a triangular number (51040 = T₃₁₉).

The spelling of 423278713 in words is "four hundred twenty-three million, two hundred seventy-eight thousand, seven hundred thirteen".